3�5�4�- Measuring Three-Phase Networks With A 4-Wire Connection Cvm-C10-Mc-In Model - Circutor CVM-C10 Instruction Manual

3�5�4�- MEASURING THREE-PHASE NETWORKS WITH A 4-WIRE CONNECTION CVM-C10-MC-IN
MODEL�
Note: Do not connect MC current transformers to ground.
18
Measurement system:
V V V
L1 L2 L3
b a
a
b
A B A B
L1
L2
L3
LOAD
N
Figure 7: Three-Phase measuring with a 4-wire connection, CVM-C10-MC-IN model�
The MC transformer secondary value is set to 0.250 A (fixed value)
OUTPUTS
POWER SUPPLY
S2
Rc R2 R1
LN
P2
Ph-Ph Ph-N
300V ~
520V ~
P1
V V V N
L1 L2 L3
S1
V V
V N
L1 L2
L3
Power
Supply
RS485 INPUTS
A(+) B(-) I1 I2
S1
GND
P1
P2 P1 P2 P1 P2
L1 L2 L3
S2 S1 S2 S1 S2
S1 S2
P1
Instruction Manual
CVM-C10
P2